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P0118 Diagnostic Trouble Code Discussion for December 2013

ECT Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P0118
Help Request Posted
2005 Hyundai Santa Fe 2.7L MIL Lamp on
P0118: Engine Coolant Temperature Sensor High Voltage. trk brought to shop w/mil lite on and a concern for a 1800 rpm idle @ cold start up. coolant temp sensor code present. check @ coolant sensor plug for 5v reference signal, ok. pulled t/stat off to check for being stuck open,ok. did back pressure test on both c...
December 31, 2013